*SUPPORT*
IN: fep OUT: GREEN
IN: lug OUT: RED
IN: lug kiki zup OUT: RED BLUE
IN: zup fep dax zup OUT: BLUE GREEN BLUE
IN: zup OUT: BLUE
IN: zup gazzer dax lug OUT: BLUE YELLOW RED
IN: fep kiki lug OUT: GREEN RED
IN: zup zup lug fep OUT: BLUE BLUE RED GREEN
IN: zup zup OUT: BLUE BLUE
IN: fep wif lug OUT: GREEN GREEN RED RED RED
IN: fep lug zup dax zup OUT: GREEN RED BLUE BLUE
IN: lug gazzer OUT: RED YELLOW
IN: fep kiki fep kiki lug OUT: GREEN GREEN RED
IN: zup dax fep OUT: BLUE GREEN

*QUERY*
IN: fep fep OUT: GREEN GREEN
IN: gazzer zup kiki zup OUT: YELLOW BLUE BLUE
IN: gazzer zup OUT: YELLOW BLUE
IN: gazzer gazzer OUT: YELLOW YELLOW
IN: gazzer lug kiki zup kiki gazzer OUT: YELLOW RED BLUE YELLOW
IN: fep gazzer lug kiki lug OUT: GREEN YELLOW RED RED
IN: lug lug OUT: RED RED
IN: gazzer OUT: YELLOW
IN: lug dax zup OUT: RED BLUE
IN: zup lug OUT: BLUE RED

*GRAMMAR*
lug -> RED 
 fep -> GREEN 
 zup -> BLUE 
 gazzer -> YELLOW 
 x1 dax u1 -> [x1] [u1] 
 x1 kiki u1 -> [x1] [u1] 
 x1 wif u1 -> [x1] [x1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 